National Repository of Grey Literature 4 records found  Search took 0.03 seconds. 
Imaging mass spectrometry of cuticular lipids of Drosophila melanogaster
Kaftan, Filip ; Vrkoslav, Vladimír ; Cvačka, Josef ; Svatoš, A.
The spatial distribution of cuticular lipids on the surface (head, thorax, abdomen and wings) of Drosophila melanogaster flies has been imaged and studied using MALDI-TOF mass spectrometry and scanning electron microscopy.
Methodology of lipid analysis of vernix caseosa using MALDI-TOF MS
Míková, Radka ; Vrkoslav, Vladimír ; Doležal, A. ; Plavka, R. ; Cvačka, Josef
This project is aimed to lipid analysis of intact molecules and optimization of MALDI-TOF MS method for these lipids.
Analysis of plant membrane lipids by RP-HPLC/HR-ESI-MS
Zábranská, Marie ; Vrkoslav, Vladimír ; Cvačka, Josef
Monogalactosyldiacylglycerols (MGDGs) and digalactosyldiacylglycerols (DGDGs) are glycolipids forming the major part of biological membranes in photosynthesizing organisms. The individual species differ from fatty acids linked to sn-1 and sn-2 possition on glycerol backbone. Complexity of their mixtures is increased by enzymatic or chemical oxidation of unsaturated species. The aim of this work was to develop and optimize RP-HPLC/HR-ESI-MS2 methods for analysis of oxidized and non-oxidized MGDGs and DGDGs in plant samples. MGDGs and DGDGs were isolated from Arabidopsis thaliana and Melissa officinalis.
GC-MS analysis of termite defensive compounds secreted from their frontal glands
Krasulová, Jana ; Hanus, Robert ; Šobotník, Jan ; Bosáková, Z. ; Valterová, Irena
We compared the anatomy and chemistry of the frontal gland in imagoes and soldiers of four rhinotermitid and one serritermitid genera. Our results suggest that the gland in imagoes is not just an unperfect expression of the soldier frontal gland, but rather an organ with special adaptive value shaped by the life history of termite imagoes.

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